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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.lang3.concurrent;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import java.util.concurrent.Executors;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.util.concurrent.ThreadFactory;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.util.concurrent.atomic.AtomicLong;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    /**<a name="line.23"></a>
<FONT color="green">024</FONT>     * &lt;p&gt;<a name="line.24"></a>
<FONT color="green">025</FONT>     * An implementation of the {@code ThreadFactory} interface that provides some<a name="line.25"></a>
<FONT color="green">026</FONT>     * configuration options for the threads it creates.<a name="line.26"></a>
<FONT color="green">027</FONT>     * &lt;/p&gt;<a name="line.27"></a>
<FONT color="green">028</FONT>     * &lt;p&gt;<a name="line.28"></a>
<FONT color="green">029</FONT>     * A {@code ThreadFactory} is used for instance by an {@code ExecutorService} to<a name="line.29"></a>
<FONT color="green">030</FONT>     * create the threads it uses for executing tasks. In many cases users do not<a name="line.30"></a>
<FONT color="green">031</FONT>     * have to care about a {@code ThreadFactory} because the default one used by an<a name="line.31"></a>
<FONT color="green">032</FONT>     * {@code ExecutorService} will do. However, if there are special requirements<a name="line.32"></a>
<FONT color="green">033</FONT>     * for the threads, a custom {@code ThreadFactory} has to be created.<a name="line.33"></a>
<FONT color="green">034</FONT>     * &lt;/p&gt;<a name="line.34"></a>
<FONT color="green">035</FONT>     * &lt;p&gt;<a name="line.35"></a>
<FONT color="green">036</FONT>     * This class provides some frequently needed configuration options for the<a name="line.36"></a>
<FONT color="green">037</FONT>     * threads it creates. These are the following:<a name="line.37"></a>
<FONT color="green">038</FONT>     * &lt;ul&gt;<a name="line.38"></a>
<FONT color="green">039</FONT>     * &lt;li&gt;A name pattern for the threads created by this factory can be specified.<a name="line.39"></a>
<FONT color="green">040</FONT>     * This is often useful if an application uses multiple executor services for<a name="line.40"></a>
<FONT color="green">041</FONT>     * different purposes. If the names of the threads used by these services have<a name="line.41"></a>
<FONT color="green">042</FONT>     * meaningful names, log output or exception traces can be much easier to read.<a name="line.42"></a>
<FONT color="green">043</FONT>     * Naming patterns are &lt;em&gt;format strings&lt;/em&gt; as used by the {@code<a name="line.43"></a>
<FONT color="green">044</FONT>     * String.format()} method. The string can contain the place holder {@code %d}<a name="line.44"></a>
<FONT color="green">045</FONT>     * which will be replaced by the number of the current thread ({@code<a name="line.45"></a>
<FONT color="green">046</FONT>     * ThreadFactoryImpl} keeps a counter of the threads it has already created).<a name="line.46"></a>
<FONT color="green">047</FONT>     * For instance, the naming pattern {@code "My %d. worker thread"} will result<a name="line.47"></a>
<FONT color="green">048</FONT>     * in thread names like {@code "My 1. worker thread"}, {@code<a name="line.48"></a>
<FONT color="green">049</FONT>     * "My 2. worker thread"} and so on.&lt;/li&gt;<a name="line.49"></a>
<FONT color="green">050</FONT>     * &lt;li&gt;A flag whether the threads created by this factory should be daemon<a name="line.50"></a>
<FONT color="green">051</FONT>     * threads. This can impact the exit behavior of the current Java application<a name="line.51"></a>
<FONT color="green">052</FONT>     * because the JVM shuts down if there are only daemon threads running.&lt;/li&gt;<a name="line.52"></a>
<FONT color="green">053</FONT>     * &lt;li&gt;The priority of the thread. Here an integer value can be provided. The<a name="line.53"></a>
<FONT color="green">054</FONT>     * {@code java.lang.Thread} class defines constants for valid ranges of priority<a name="line.54"></a>
<FONT color="green">055</FONT>     * values.&lt;/li&gt;<a name="line.55"></a>
<FONT color="green">056</FONT>     * &lt;li&gt;The {@code UncaughtExceptionHandler} for the thread. This handler is<a name="line.56"></a>
<FONT color="green">057</FONT>     * called if an uncaught exception occurs within the thread.&lt;/li&gt;<a name="line.57"></a>
<FONT color="green">058</FONT>     * &lt;/ul&gt;<a name="line.58"></a>
<FONT color="green">059</FONT>     * &lt;/p&gt;<a name="line.59"></a>
<FONT color="green">060</FONT>     * &lt;p&gt;<a name="line.60"></a>
<FONT color="green">061</FONT>     * {@code BasicThreadFactory} wraps another thread factory which actually<a name="line.61"></a>
<FONT color="green">062</FONT>     * creates new threads. The configuration options are set on the threads created<a name="line.62"></a>
<FONT color="green">063</FONT>     * by the wrapped thread factory. On construction time the factory to be wrapped<a name="line.63"></a>
<FONT color="green">064</FONT>     * can be specified. If none is provided, a default {@code ThreadFactory} is<a name="line.64"></a>
<FONT color="green">065</FONT>     * used.<a name="line.65"></a>
<FONT color="green">066</FONT>     * &lt;/p&gt;<a name="line.66"></a>
<FONT color="green">067</FONT>     * &lt;p&gt;<a name="line.67"></a>
<FONT color="green">068</FONT>     * Instances of {@code BasicThreadFactory} are not created directly, but the<a name="line.68"></a>
<FONT color="green">069</FONT>     * nested {@code Builder} class is used for this purpose. Using the builder only<a name="line.69"></a>
<FONT color="green">070</FONT>     * the configuration options an application is interested in need to be set. The<a name="line.70"></a>
<FONT color="green">071</FONT>     * following example shows how a {@code BasicThreadFactory} is created and<a name="line.71"></a>
<FONT color="green">072</FONT>     * installed in an {@code ExecutorService}:<a name="line.72"></a>
<FONT color="green">073</FONT>     *<a name="line.73"></a>
<FONT color="green">074</FONT>     * &lt;pre&gt;<a name="line.74"></a>
<FONT color="green">075</FONT>     * // Create a factory that produces daemon threads with a naming pattern and<a name="line.75"></a>
<FONT color="green">076</FONT>     * // a priority<a name="line.76"></a>
<FONT color="green">077</FONT>     * BasicThreadFactory factory = new BasicThreadFactory.Builder()<a name="line.77"></a>
<FONT color="green">078</FONT>     *     .namingPattern(&amp;quot;workerthread-%d&amp;quot;)<a name="line.78"></a>
<FONT color="green">079</FONT>     *     .daemon(true)<a name="line.79"></a>
<FONT color="green">080</FONT>     *     .priority(Thread.MAX_PRIORITY)<a name="line.80"></a>
<FONT color="green">081</FONT>     *     .build();<a name="line.81"></a>
<FONT color="green">082</FONT>     * // Create an executor service for single-threaded execution<a name="line.82"></a>
<FONT color="green">083</FONT>     * ExecutorService exec = Executors.newSingleThreadExecutor(factory);<a name="line.83"></a>
<FONT color="green">084</FONT>     * &lt;/pre&gt;<a name="line.84"></a>
<FONT color="green">085</FONT>     * &lt;/p&gt;<a name="line.85"></a>
<FONT color="green">086</FONT>     *<a name="line.86"></a>
<FONT color="green">087</FONT>     * @since 3.0<a name="line.87"></a>
<FONT color="green">088</FONT>     * @version $Id: BasicThreadFactory.java 1079423 2011-03-08 16:38:09Z sebb $<a name="line.88"></a>
<FONT color="green">089</FONT>     */<a name="line.89"></a>
<FONT color="green">090</FONT>    public class BasicThreadFactory implements ThreadFactory {<a name="line.90"></a>
<FONT color="green">091</FONT>        /** A counter for the threads created by this factory. */<a name="line.91"></a>
<FONT color="green">092</FONT>        private final AtomicLong threadCounter;<a name="line.92"></a>
<FONT color="green">093</FONT>    <a name="line.93"></a>
<FONT color="green">094</FONT>        /** Stores the wrapped factory. */<a name="line.94"></a>
<FONT color="green">095</FONT>        private final ThreadFactory wrappedFactory;<a name="line.95"></a>
<FONT color="green">096</FONT>    <a name="line.96"></a>
<FONT color="green">097</FONT>        /** Stores the uncaught exception handler. */<a name="line.97"></a>
<FONT color="green">098</FONT>        private final Thread.UncaughtExceptionHandler uncaughtExceptionHandler;<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>        /** Stores the naming pattern for newly created threads. */<a name="line.100"></a>
<FONT color="green">101</FONT>        private final String namingPattern;<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>        /** Stores the priority. */<a name="line.103"></a>
<FONT color="green">104</FONT>        private final Integer priority;<a name="line.104"></a>
<FONT color="green">105</FONT>    <a name="line.105"></a>
<FONT color="green">106</FONT>        /** Stores the daemon status flag. */<a name="line.106"></a>
<FONT color="green">107</FONT>        private final Boolean daemonFlag;<a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>        /**<a name="line.109"></a>
<FONT color="green">110</FONT>         * Creates a new instance of {@code ThreadFactoryImpl} and configures it<a name="line.110"></a>
<FONT color="green">111</FONT>         * from the specified {@code Builder} object.<a name="line.111"></a>
<FONT color="green">112</FONT>         *<a name="line.112"></a>
<FONT color="green">113</FONT>         * @param builder the {@code Builder} object<a name="line.113"></a>
<FONT color="green">114</FONT>         */<a name="line.114"></a>
<FONT color="green">115</FONT>        private BasicThreadFactory(Builder builder) {<a name="line.115"></a>
<FONT color="green">116</FONT>            if (builder.wrappedFactory == null) {<a name="line.116"></a>
<FONT color="green">117</FONT>                wrappedFactory = Executors.defaultThreadFactory();<a name="line.117"></a>
<FONT color="green">118</FONT>            } else {<a name="line.118"></a>
<FONT color="green">119</FONT>                wrappedFactory = builder.wrappedFactory;<a name="line.119"></a>
<FONT color="green">120</FONT>            }<a name="line.120"></a>
<FONT color="green">121</FONT>    <a name="line.121"></a>
<FONT color="green">122</FONT>            namingPattern = builder.namingPattern;<a name="line.122"></a>
<FONT color="green">123</FONT>            priority = builder.priority;<a name="line.123"></a>
<FONT color="green">124</FONT>            daemonFlag = builder.daemonFlag;<a name="line.124"></a>
<FONT color="green">125</FONT>            uncaughtExceptionHandler = builder.exceptionHandler;<a name="line.125"></a>
<FONT color="green">126</FONT>    <a name="line.126"></a>
<FONT color="green">127</FONT>            threadCounter = new AtomicLong();<a name="line.127"></a>
<FONT color="green">128</FONT>        }<a name="line.128"></a>
<FONT color="green">129</FONT>    <a name="line.129"></a>
<FONT color="green">130</FONT>        /**<a name="line.130"></a>
<FONT color="green">131</FONT>         * Returns the wrapped {@code ThreadFactory}. This factory is used for<a name="line.131"></a>
<FONT color="green">132</FONT>         * actually creating threads. This method never returns &lt;b&gt;null&lt;/b&gt;. If no<a name="line.132"></a>
<FONT color="green">133</FONT>         * {@code ThreadFactory} was passed when this object was created, a default<a name="line.133"></a>
<FONT color="green">134</FONT>         * thread factory is returned.<a name="line.134"></a>
<FONT color="green">135</FONT>         *<a name="line.135"></a>
<FONT color="green">136</FONT>         * @return the wrapped {@code ThreadFactory}<a name="line.136"></a>
<FONT color="green">137</FONT>         */<a name="line.137"></a>
<FONT color="green">138</FONT>        public final ThreadFactory getWrappedFactory() {<a name="line.138"></a>
<FONT color="green">139</FONT>            return wrappedFactory;<a name="line.139"></a>
<FONT color="green">140</FONT>        }<a name="line.140"></a>
<FONT color="green">141</FONT>    <a name="line.141"></a>
<FONT color="green">142</FONT>        /**<a name="line.142"></a>
<FONT color="green">143</FONT>         * Returns the naming pattern for naming newly created threads. Result can<a name="line.143"></a>
<FONT color="green">144</FONT>         * be &lt;b&gt;null&lt;/b&gt; if no naming pattern was provided.<a name="line.144"></a>
<FONT color="green">145</FONT>         *<a name="line.145"></a>
<FONT color="green">146</FONT>         * @return the naming pattern<a name="line.146"></a>
<FONT color="green">147</FONT>         */<a name="line.147"></a>
<FONT color="green">148</FONT>        public final String getNamingPattern() {<a name="line.148"></a>
<FONT color="green">149</FONT>            return namingPattern;<a name="line.149"></a>
<FONT color="green">150</FONT>        }<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>        /**<a name="line.152"></a>
<FONT color="green">153</FONT>         * Returns the daemon flag. This flag determines whether newly created<a name="line.153"></a>
<FONT color="green">154</FONT>         * threads should be daemon threads. If &lt;b&gt;true&lt;/b&gt;, this factory object<a name="line.154"></a>
<FONT color="green">155</FONT>         * calls {@code setDaemon(true)} on the newly created threads. Result can be<a name="line.155"></a>
<FONT color="green">156</FONT>         * &lt;b&gt;null&lt;/b&gt; if no daemon flag was provided at creation time.<a name="line.156"></a>
<FONT color="green">157</FONT>         *<a name="line.157"></a>
<FONT color="green">158</FONT>         * @return the daemon flag<a name="line.158"></a>
<FONT color="green">159</FONT>         */<a name="line.159"></a>
<FONT color="green">160</FONT>        public final Boolean getDaemonFlag() {<a name="line.160"></a>
<FONT color="green">161</FONT>            return daemonFlag;<a name="line.161"></a>
<FONT color="green">162</FONT>        }<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>        /**<a name="line.164"></a>
<FONT color="green">165</FONT>         * Returns the priority of the threads created by this factory. Result can<a name="line.165"></a>
<FONT color="green">166</FONT>         * be &lt;b&gt;null&lt;/b&gt; if no priority was specified.<a name="line.166"></a>
<FONT color="green">167</FONT>         *<a name="line.167"></a>
<FONT color="green">168</FONT>         * @return the priority for newly created threads<a name="line.168"></a>
<FONT color="green">169</FONT>         */<a name="line.169"></a>
<FONT color="green">170</FONT>        public final Integer getPriority() {<a name="line.170"></a>
<FONT color="green">171</FONT>            return priority;<a name="line.171"></a>
<FONT color="green">172</FONT>        }<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>        /**<a name="line.174"></a>
<FONT color="green">175</FONT>         * Returns the {@code UncaughtExceptionHandler} for the threads created by<a name="line.175"></a>
<FONT color="green">176</FONT>         * this factory. Result can be &lt;b&gt;null&lt;/b&gt; if no handler was provided.<a name="line.176"></a>
<FONT color="green">177</FONT>         *<a name="line.177"></a>
<FONT color="green">178</FONT>         * @return the {@code UncaughtExceptionHandler}<a name="line.178"></a>
<FONT color="green">179</FONT>         */<a name="line.179"></a>
<FONT color="green">180</FONT>        public final Thread.UncaughtExceptionHandler getUncaughtExceptionHandler() {<a name="line.180"></a>
<FONT color="green">181</FONT>            return uncaughtExceptionHandler;<a name="line.181"></a>
<FONT color="green">182</FONT>        }<a name="line.182"></a>
<FONT color="green">183</FONT>    <a name="line.183"></a>
<FONT color="green">184</FONT>        /**<a name="line.184"></a>
<FONT color="green">185</FONT>         * Returns the number of threads this factory has already created. This<a name="line.185"></a>
<FONT color="green">186</FONT>         * class maintains an internal counter that is incremented each time the<a name="line.186"></a>
<FONT color="green">187</FONT>         * {@link #newThread(Runnable)} method is invoked.<a name="line.187"></a>
<FONT color="green">188</FONT>         *<a name="line.188"></a>
<FONT color="green">189</FONT>         * @return the number of threads created by this factory<a name="line.189"></a>
<FONT color="green">190</FONT>         */<a name="line.190"></a>
<FONT color="green">191</FONT>        public long getThreadCount() {<a name="line.191"></a>
<FONT color="green">192</FONT>            return threadCounter.get();<a name="line.192"></a>
<FONT color="green">193</FONT>        }<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>        /**<a name="line.195"></a>
<FONT color="green">196</FONT>         * Creates a new thread. This implementation delegates to the wrapped<a name="line.196"></a>
<FONT color="green">197</FONT>         * factory for creating the thread. Then, on the newly created thread the<a name="line.197"></a>
<FONT color="green">198</FONT>         * corresponding configuration options are set.<a name="line.198"></a>
<FONT color="green">199</FONT>         *<a name="line.199"></a>
<FONT color="green">200</FONT>         * @param r the {@code Runnable} to be executed by the new thread<a name="line.200"></a>
<FONT color="green">201</FONT>         * @return the newly created thread<a name="line.201"></a>
<FONT color="green">202</FONT>         */<a name="line.202"></a>
<FONT color="green">203</FONT>        public Thread newThread(Runnable r) {<a name="line.203"></a>
<FONT color="green">204</FONT>            Thread t = getWrappedFactory().newThread(r);<a name="line.204"></a>
<FONT color="green">205</FONT>            initializeThread(t);<a name="line.205"></a>
<FONT color="green">206</FONT>    <a name="line.206"></a>
<FONT color="green">207</FONT>            return t;<a name="line.207"></a>
<FONT color="green">208</FONT>        }<a name="line.208"></a>
<FONT color="green">209</FONT>    <a name="line.209"></a>
<FONT color="green">210</FONT>        /**<a name="line.210"></a>
<FONT color="green">211</FONT>         * Initializes the specified thread. This method is called by<a name="line.211"></a>
<FONT color="green">212</FONT>         * {@link #newThread(Runnable)} after a new thread has been obtained from<a name="line.212"></a>
<FONT color="green">213</FONT>         * the wrapped thread factory. It initializes the thread according to the<a name="line.213"></a>
<FONT color="green">214</FONT>         * options set for this factory.<a name="line.214"></a>
<FONT color="green">215</FONT>         *<a name="line.215"></a>
<FONT color="green">216</FONT>         * @param t the thread to be initialized<a name="line.216"></a>
<FONT color="green">217</FONT>         */<a name="line.217"></a>
<FONT color="green">218</FONT>        private void initializeThread(Thread t) {<a name="line.218"></a>
<FONT color="green">219</FONT>    <a name="line.219"></a>
<FONT color="green">220</FONT>            if (getNamingPattern() != null) {<a name="line.220"></a>
<FONT color="green">221</FONT>                Long count = Long.valueOf(threadCounter.incrementAndGet());<a name="line.221"></a>
<FONT color="green">222</FONT>                t.setName(String.format(getNamingPattern(), count));<a name="line.222"></a>
<FONT color="green">223</FONT>            }<a name="line.223"></a>
<FONT color="green">224</FONT>    <a name="line.224"></a>
<FONT color="green">225</FONT>            if (getUncaughtExceptionHandler() != null) {<a name="line.225"></a>
<FONT color="green">226</FONT>                t.setUncaughtExceptionHandler(getUncaughtExceptionHandler());<a name="line.226"></a>
<FONT color="green">227</FONT>            }<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>            if (getPriority() != null) {<a name="line.229"></a>
<FONT color="green">230</FONT>                t.setPriority(getPriority().intValue());<a name="line.230"></a>
<FONT color="green">231</FONT>            }<a name="line.231"></a>
<FONT color="green">232</FONT>    <a name="line.232"></a>
<FONT color="green">233</FONT>            if (getDaemonFlag() != null) {<a name="line.233"></a>
<FONT color="green">234</FONT>                t.setDaemon(getDaemonFlag().booleanValue());<a name="line.234"></a>
<FONT color="green">235</FONT>            }<a name="line.235"></a>
<FONT color="green">236</FONT>        }<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>        /**<a name="line.238"></a>
<FONT color="green">239</FONT>         * &lt;p&gt;<a name="line.239"></a>
<FONT color="green">240</FONT>         * A &lt;em&gt;builder&lt;/em&gt; class for creating instances of {@code<a name="line.240"></a>
<FONT color="green">241</FONT>         * BasicThreadFactory}.<a name="line.241"></a>
<FONT color="green">242</FONT>         * &lt;/p&gt;<a name="line.242"></a>
<FONT color="green">243</FONT>         * &lt;p&gt;<a name="line.243"></a>
<FONT color="green">244</FONT>         * Using this builder class instances of {@code BasicThreadFactory} can be<a name="line.244"></a>
<FONT color="green">245</FONT>         * created and initialized. The class provides methods that correspond to<a name="line.245"></a>
<FONT color="green">246</FONT>         * the configuration options supported by {@code BasicThreadFactory}. Method<a name="line.246"></a>
<FONT color="green">247</FONT>         * chaining is supported. Refer to the documentation of {@code<a name="line.247"></a>
<FONT color="green">248</FONT>         * BasicThreadFactory} for a usage example.<a name="line.248"></a>
<FONT color="green">249</FONT>         * &lt;/p&gt;<a name="line.249"></a>
<FONT color="green">250</FONT>         *<a name="line.250"></a>
<FONT color="green">251</FONT>         * @version $Id: BasicThreadFactory.java 1079423 2011-03-08 16:38:09Z sebb $<a name="line.251"></a>
<FONT color="green">252</FONT>         */<a name="line.252"></a>
<FONT color="green">253</FONT>        public static class Builder <a name="line.253"></a>
<FONT color="green">254</FONT>            implements org.apache.commons.lang3.builder.Builder&lt;BasicThreadFactory&gt; {<a name="line.254"></a>
<FONT color="green">255</FONT>            <a name="line.255"></a>
<FONT color="green">256</FONT>            /** The wrapped factory. */<a name="line.256"></a>
<FONT color="green">257</FONT>            private ThreadFactory wrappedFactory;<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>            /** The uncaught exception handler. */<a name="line.259"></a>
<FONT color="green">260</FONT>            private Thread.UncaughtExceptionHandler exceptionHandler;<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>            /** The naming pattern. */<a name="line.262"></a>
<FONT color="green">263</FONT>            private String namingPattern;<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>            /** The priority. */<a name="line.265"></a>
<FONT color="green">266</FONT>            private Integer priority;<a name="line.266"></a>
<FONT color="green">267</FONT>    <a name="line.267"></a>
<FONT color="green">268</FONT>            /** The daemon flag. */<a name="line.268"></a>
<FONT color="green">269</FONT>            private Boolean daemonFlag;<a name="line.269"></a>
<FONT color="green">270</FONT>    <a name="line.270"></a>
<FONT color="green">271</FONT>            /**<a name="line.271"></a>
<FONT color="green">272</FONT>             * Sets the {@code ThreadFactory} to be wrapped by the new {@code<a name="line.272"></a>
<FONT color="green">273</FONT>             * BasicThreadFactory}.<a name="line.273"></a>
<FONT color="green">274</FONT>             *<a name="line.274"></a>
<FONT color="green">275</FONT>             * @param factory the wrapped {@code ThreadFactory} (must not be<a name="line.275"></a>
<FONT color="green">276</FONT>             * &lt;b&gt;null&lt;/b&gt;)<a name="line.276"></a>
<FONT color="green">277</FONT>             * @return a reference to this {@code Builder}<a name="line.277"></a>
<FONT color="green">278</FONT>             * @throws NullPointerException if the passed in {@code ThreadFactory}<a name="line.278"></a>
<FONT color="green">279</FONT>             * is &lt;b&gt;null&lt;/b&gt;<a name="line.279"></a>
<FONT color="green">280</FONT>             */<a name="line.280"></a>
<FONT color="green">281</FONT>            public Builder wrappedFactory(ThreadFactory factory) {<a name="line.281"></a>
<FONT color="green">282</FONT>                if (factory == null) {<a name="line.282"></a>
<FONT color="green">283</FONT>                    throw new NullPointerException(<a name="line.283"></a>
<FONT color="green">284</FONT>                            "Wrapped ThreadFactory must not be null!");<a name="line.284"></a>
<FONT color="green">285</FONT>                }<a name="line.285"></a>
<FONT color="green">286</FONT>    <a name="line.286"></a>
<FONT color="green">287</FONT>                wrappedFactory = factory;<a name="line.287"></a>
<FONT color="green">288</FONT>                return this;<a name="line.288"></a>
<FONT color="green">289</FONT>            }<a name="line.289"></a>
<FONT color="green">290</FONT>    <a name="line.290"></a>
<FONT color="green">291</FONT>            /**<a name="line.291"></a>
<FONT color="green">292</FONT>             * Sets the naming pattern to be used by the new {@code<a name="line.292"></a>
<FONT color="green">293</FONT>             * BasicThreadFactory}.<a name="line.293"></a>
<FONT color="green">294</FONT>             *<a name="line.294"></a>
<FONT color="green">295</FONT>             * @param pattern the naming pattern (must not be &lt;b&gt;null&lt;/b&gt;)<a name="line.295"></a>
<FONT color="green">296</FONT>             * @return a reference to this {@code Builder}<a name="line.296"></a>
<FONT color="green">297</FONT>             * @throws NullPointerException if the naming pattern is &lt;b&gt;null&lt;/b&gt;<a name="line.297"></a>
<FONT color="green">298</FONT>             */<a name="line.298"></a>
<FONT color="green">299</FONT>            public Builder namingPattern(String pattern) {<a name="line.299"></a>
<FONT color="green">300</FONT>                if (pattern == null) {<a name="line.300"></a>
<FONT color="green">301</FONT>                    throw new NullPointerException(<a name="line.301"></a>
<FONT color="green">302</FONT>                            "Naming pattern must not be null!");<a name="line.302"></a>
<FONT color="green">303</FONT>                }<a name="line.303"></a>
<FONT color="green">304</FONT>    <a name="line.304"></a>
<FONT color="green">305</FONT>                namingPattern = pattern;<a name="line.305"></a>
<FONT color="green">306</FONT>                return this;<a name="line.306"></a>
<FONT color="green">307</FONT>            }<a name="line.307"></a>
<FONT color="green">308</FONT>    <a name="line.308"></a>
<FONT color="green">309</FONT>            /**<a name="line.309"></a>
<FONT color="green">310</FONT>             * Sets the daemon flag for the new {@code BasicThreadFactory}. If this<a name="line.310"></a>
<FONT color="green">311</FONT>             * flag is set to &lt;b&gt;true&lt;/b&gt; the new thread factory will create daemon<a name="line.311"></a>
<FONT color="green">312</FONT>             * threads.<a name="line.312"></a>
<FONT color="green">313</FONT>             *<a name="line.313"></a>
<FONT color="green">314</FONT>             * @param f the value of the daemon flag<a name="line.314"></a>
<FONT color="green">315</FONT>             * @return a reference to this {@code Builder}<a name="line.315"></a>
<FONT color="green">316</FONT>             */<a name="line.316"></a>
<FONT color="green">317</FONT>            public Builder daemon(boolean f) {<a name="line.317"></a>
<FONT color="green">318</FONT>                daemonFlag = Boolean.valueOf(f);<a name="line.318"></a>
<FONT color="green">319</FONT>                return this;<a name="line.319"></a>
<FONT color="green">320</FONT>            }<a name="line.320"></a>
<FONT color="green">321</FONT>    <a name="line.321"></a>
<FONT color="green">322</FONT>            /**<a name="line.322"></a>
<FONT color="green">323</FONT>             * Sets the priority for the threads created by the new {@code<a name="line.323"></a>
<FONT color="green">324</FONT>             * BasicThreadFactory}.<a name="line.324"></a>
<FONT color="green">325</FONT>             *<a name="line.325"></a>
<FONT color="green">326</FONT>             * @param prio the priority<a name="line.326"></a>
<FONT color="green">327</FONT>             * @return a reference to this {@code Builder}<a name="line.327"></a>
<FONT color="green">328</FONT>             */<a name="line.328"></a>
<FONT color="green">329</FONT>            public Builder priority(int prio) {<a name="line.329"></a>
<FONT color="green">330</FONT>                priority = Integer.valueOf(prio);<a name="line.330"></a>
<FONT color="green">331</FONT>                return this;<a name="line.331"></a>
<FONT color="green">332</FONT>            }<a name="line.332"></a>
<FONT color="green">333</FONT>    <a name="line.333"></a>
<FONT color="green">334</FONT>            /**<a name="line.334"></a>
<FONT color="green">335</FONT>             * Sets the uncaught exception handler for the threads created by the<a name="line.335"></a>
<FONT color="green">336</FONT>             * new {@code BasicThreadFactory}.<a name="line.336"></a>
<FONT color="green">337</FONT>             *<a name="line.337"></a>
<FONT color="green">338</FONT>             * @param handler the {@code UncaughtExceptionHandler} (must not be<a name="line.338"></a>
<FONT color="green">339</FONT>             * &lt;b&gt;null&lt;/b&gt;)<a name="line.339"></a>
<FONT color="green">340</FONT>             * @return a reference to this {@code Builder}<a name="line.340"></a>
<FONT color="green">341</FONT>             * @throws NullPointerException if the exception handler is &lt;b&gt;null&lt;/b&gt;<a name="line.341"></a>
<FONT color="green">342</FONT>             */<a name="line.342"></a>
<FONT color="green">343</FONT>            public Builder uncaughtExceptionHandler(<a name="line.343"></a>
<FONT color="green">344</FONT>                    Thread.UncaughtExceptionHandler handler) {<a name="line.344"></a>
<FONT color="green">345</FONT>                if (handler == null) {<a name="line.345"></a>
<FONT color="green">346</FONT>                    throw new NullPointerException(<a name="line.346"></a>
<FONT color="green">347</FONT>                            "Uncaught exception handler must not be null!");<a name="line.347"></a>
<FONT color="green">348</FONT>                }<a name="line.348"></a>
<FONT color="green">349</FONT>    <a name="line.349"></a>
<FONT color="green">350</FONT>                exceptionHandler = handler;<a name="line.350"></a>
<FONT color="green">351</FONT>                return this;<a name="line.351"></a>
<FONT color="green">352</FONT>            }<a name="line.352"></a>
<FONT color="green">353</FONT>    <a name="line.353"></a>
<FONT color="green">354</FONT>            /**<a name="line.354"></a>
<FONT color="green">355</FONT>             * Resets this builder. All configuration options are set to default<a name="line.355"></a>
<FONT color="green">356</FONT>             * values. Note: If the {@link #build()} method was called, it is not<a name="line.356"></a>
<FONT color="green">357</FONT>             * necessary to call {@code reset()} explicitly because this is done<a name="line.357"></a>
<FONT color="green">358</FONT>             * automatically.<a name="line.358"></a>
<FONT color="green">359</FONT>             */<a name="line.359"></a>
<FONT color="green">360</FONT>            public void reset() {<a name="line.360"></a>
<FONT color="green">361</FONT>                wrappedFactory = null;<a name="line.361"></a>
<FONT color="green">362</FONT>                exceptionHandler = null;<a name="line.362"></a>
<FONT color="green">363</FONT>                namingPattern = null;<a name="line.363"></a>
<FONT color="green">364</FONT>                priority = null;<a name="line.364"></a>
<FONT color="green">365</FONT>                daemonFlag = null;<a name="line.365"></a>
<FONT color="green">366</FONT>            }<a name="line.366"></a>
<FONT color="green">367</FONT>    <a name="line.367"></a>
<FONT color="green">368</FONT>            /**<a name="line.368"></a>
<FONT color="green">369</FONT>             * Creates a new {@code BasicThreadFactory} with all configuration<a name="line.369"></a>
<FONT color="green">370</FONT>             * options that have been specified by calling methods on this builder.<a name="line.370"></a>
<FONT color="green">371</FONT>             * After creating the factory {@link #reset()} is called.<a name="line.371"></a>
<FONT color="green">372</FONT>             *<a name="line.372"></a>
<FONT color="green">373</FONT>             * @return the new {@code BasicThreadFactory}<a name="line.373"></a>
<FONT color="green">374</FONT>             */<a name="line.374"></a>
<FONT color="green">375</FONT>            public BasicThreadFactory build() {<a name="line.375"></a>
<FONT color="green">376</FONT>                BasicThreadFactory factory = new BasicThreadFactory(this);<a name="line.376"></a>
<FONT color="green">377</FONT>                reset();<a name="line.377"></a>
<FONT color="green">378</FONT>                return factory;<a name="line.378"></a>
<FONT color="green">379</FONT>            }<a name="line.379"></a>
<FONT color="green">380</FONT>        }<a name="line.380"></a>
<FONT color="green">381</FONT>    }<a name="line.381"></a>




























































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